21543165

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 25631235

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 81, 85, 105, 119, 135, 149, 153, 189, 243, 255, 315, 357, 405, 447, 459, 567, 595, 745, 765, 945, 1043, 1071, 1215, 1341, 1377, 1701, 1785, 2235, 2295, 2533, 2835, 3129, 3213, 4023, 4131, 5215, 5355, 6705, 6885, 7599, 8505, 9387, 9639, 12069, 12665, 15645, 16065, 17731, 20115, 20655, 22797, 28161, 28917, 36207, 37995, 46935, 48195, 53193, 60345, 68391, 84483, 88655, 113985, 140805, 144585, 159579, 181035, 205173, 253449, 265965, 341955, 422415, 478737, 615519, 797895, 1025865, 1267245, 1436211, 2393685, 3077595, 4308633, 7181055, 21543165]

約数ペア:

[(1, 21543165), (3, 7181055), (5, 4308633), (7, 3077595), (9, 2393685), (15, 1436211), (17, 1267245), (21, 1025865), (27, 797895), (35, 615519), (45, 478737), (51, 422415), (63, 341955), (81, 265965), (85, 253449), (105, 205173), (119, 181035), (135, 159579), (149, 144585), (153, 140805), (189, 113985), (243, 88655), (255, 84483), (315, 68391), (357, 60345), (405, 53193), (447, 48195), (459, 46935), (567, 37995), (595, 36207), (745, 28917), (765, 28161), (945, 22797), (1043, 20655), (1071, 20115), (1215, 17731), (1341, 16065), (1377, 15645), (1701, 12665), (1785, 12069), (2235, 9639), (2295, 9387), (2533, 8505), (2835, 7599), (3129, 6885), (3213, 6705), (4023, 5355), (4131, 5215)]